Altaf Sayyed
type: MusicGroup
popularity: 22
followers: 2240
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x43c99d4caf2caa0fa718734771e2a30a8763c76f57cc32a140f0bbffae81db12
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c7aeef71-e942-4327-ad9e-025148807a5a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c7aeef71-e942-4327-ad9e-025148807a5a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c7aeef71-e942-4327-ad9e-025148807a5a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x43c99d4caf2caa0fa718734771e2a30a8763c76f57cc32a140f0bbffae81db12","name":"Altaf Sayyed","registered_at":"2026-06-12T09:35:00Z","symbol":"NIM0257726","token_address":"0xc756bbe3df1dd6e703592121b53e691298119379","type":"artist","uuid":"c7aeef71-e942-4327-ad9e-025148807a5a"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43c99d4caf2caa0fa718734771e2a30a8763c76f57cc32a140f0bbffae81db12. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c7aeef71-e942-4327-ad9e-025148807a5a.json and https://artists.proofprofile.net/proofs/artist/c7aeef71-e942-4327-ad9e-025148807a5a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x43c99d4caf2caa0fa718734771e2a30a8763c76f57cc32a140f0bbffae81db12","name":"Altaf Sayyed","registered_at":"2026-06-12T09:35:00Z","symbol":"NIM0257726","token_address":"0xc756bbe3df1dd6e703592121b53e691298119379","type":"artist","uuid":"c7aeef71-e942-4327-ad9e-025148807a5a"}
album: Jachda Nai
  type: MusicAlbum
  date published: 2017-08-22
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  type: MusicAlbum
  date published: 2021-02-25
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  type: MusicAlbum
  date published: 2021-05-11
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  type: MusicAlbum
  date published: 2021-07-21
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  type: MusicAlbum
  date published: 2021-09-24